/*
 *  Copyright 2012 yura.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */

package org.opu.odg.dg.xml;

import java.io.Serializable;
import java.util.List;

/**
 *
 * @author yura
 */
public abstract class Element implements Serializable {
    private static int ITERATOR = 0;

    private XmlTag parent;
    private final int iterator = ITERATOR ++;

    public Element(XmlTag parent) {
        this.parent = parent;
    }
    
    public abstract String asAString();

    public abstract List<TextMarkupUtil.Lexem> toLexems();

    public XmlTag getParent() {
        return parent;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Element other = (Element) obj;
        
        return this.iterator == other.iterator;
    }

    @Override
    public int hashCode() {
        return iterator;
    }



}
